Seal of Solomon
Sword in Stone- people always seem to get Excalibur and the sword in stone mixed up, just to clarify people Arthur pulled the sword in stone out of the stone when he was just a child fulfilling his destiny as the true King of Britain but sadly the blade shattered in battle & only after the fact did Arthur receive Excalibur from the Lady of the Lake.
No Arthurian legend would be complete without Excalibur. It is sometimes attributed with magical powers or associated with the rightful sovereignty of Great Britain. Sometimes Excalibur and the Sword in the Stone (the proof of Arthur's lineage) are said to be the same weapon, but in most versions they are considered separate. The sword was associated with the Arthurian legend very early. In Welsh, the sword is called Caledfwlch.